Blue electroluminescent devices with high quantum efficiency from alkoxy-substituted poly(para-phenylene vinylene)-trimers in a polystyrene matrix
- 2 May 1994
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 64 (18) , 2364-2366
- https://doi.org/10.1063/1.111616
Abstract
We report electroluminescence of electroluminescent devices fabricated from cis,trans‐ 2,5‐dimethoxy‐1,4 ‐bis[2‐(3,4,5‐trimethoxyphenyl)ethenyl]benzene blended in a polystyrene matrix as emission layer. This choice of materials avoids the inherently poor miscibility of polymers with other compounds and minimizes interactions between the host polymer and the electro‐optically active guest, which can produce quenching sites. A blue light‐emitting device with high internal quantum efficiency (∼1%) results.Keywords
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